Fixes grammatical issues

server/documents/elements/rail.html.eco

@@ -34,7 +34,7 @@ type        : 'UI Element'
 
   <div class="example">
     <h4 class="ui header">Rail</h4>
-    <p class="header">A rail can be presented on the left or right side of content</p>
+    <p class="header">A rail can be presented on the left or right side of a container</p>
 
     <div class="ui segment">
       <div class="ui left rail">
@@ -53,7 +53,7 @@ type        : 'UI Element'
   </div>
   <div class="example">
     <h4 class="ui header">Internal</h4>
-    <p class="header">A rail can be attach itself to the inside of the main viewport</p>
+    <p class="header">A rail can attach itself to the inside of a container</p>
 
     <div class="ui segment" style="left: -150px; width: 960px;min-height: 300px;">
       <div class="ui left internal rail">
@@ -71,7 +71,7 @@ type        : 'UI Element'
 
   <div class="example">
     <h4 class="ui header">Dividing</h4>
-    <p>A rail can visually divide content from the main viewport</p>
+    <p>A rail can create a division between itself and a container</p>
     <div class="ui segment">
       <div class="ui left dividing rail">
         <div class="ui segment">
@@ -92,7 +92,7 @@ type        : 'UI Element'
 
   <div class="example">
     <h4 class="ui header">Attached</h4>
-    <p>A rail can appear without any separation from the main viewport</p>
+    <p>A rail can appear attached to the main viewport</p>
     <div class="ui segment">
       <div class="ui left attached rail">
         <div class="ui segment">

server/documents/elements/segment.html.eco

@@ -43,7 +43,7 @@ themes      : ['default', 'GitHub']
 
   <div class="example">
     <h4 class="ui header">Horizontal Segment</h4>
-    <p>A vertical segment formats content to be aligned as part of a horizontal group</p>
+    <p>A horizontal segment formats its content to be aligned as part of a horizontal group</p>
     <div class="ui ignored info message">
       <div class="header">When to Use Horizontal Segments</div>
       <p>Horizontal segments are most effectively used with grids, to allow for text groups that are aligned across grid rows.</p>
@@ -285,7 +285,7 @@ themes      : ['default', 'GitHub']
   </div>
   <div class="example">
     <h4 class="ui header">Floated</h4>
-    <p>A segment cant sit to the left or right of other content</p>
+    <p>A segment can appear to the left or right of other content</p>
     <div class="ui right floated segment">
       <p>This segment will appear to the right
     </div>
@@ -302,7 +302,7 @@ themes      : ['default', 'GitHub']
 
   <div class="clearing example">
     <h4 class="ui header">Text Alignment</h4>
-    <p>A segment cant have its text aligned to a side</p>
+    <p>A segment can have its text aligned to a side</p>
     <div class="ui right aligned segment">
       Right
     </div>